<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<script type="text/javascript" src="jquery/jquery-2.2.3.js" ></script>
		<title></title>
	</head>
	<body>
		<iframe name="otherhtml" id= "ss" src="http://www.hik-online.com/shebuswz"></iframe>
		<button type="button" id="btn">获取内容</button>
		<form name="form1" action="mailto:chemyoo@foxmail.com" method="get" enctype="text/plain">
			主题：<input name="subject" type="text"><br> 
			抄送：<input name="cc" type="text"><br> 
			密送：<input name="bcc" type="text"><br> 
			正文：<textarea name="body"></textarea><br> 
			<input type="submit"> 
			<input type="hidden" name="name" value="1231" />
			<span name="span">fhajshfkjash</span>
		</form>
		<span name="ff">fhajshfkjash</span>
		<script>
		$("#btn").click(function(){
			var win = document.getElementById('ss');
			//alert( win.document.head.innerText );
		});
		//alert(form1.name.value)
		//alert(form1.children.span.innerHTML)
		//document.body.children.ff.innerHTML
		if(navigator.cookieEnabled)
			console.log("支持");
		else
			console.log("不支持");
		</script>
	</body>
</html>
